Home / 3,992,380.70-5,989,445.85-1,296,247.10

Finding the Fourth Proportional to 3,992,380.70, 5,989,445.85 and 1,296,247.10

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Solution

The fourth proportional to 3,992,380.70, 5,989,445.85 and 1,296,247.10 is: 1,944,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,380.70 : 5,989,445.85 = 1,296,247.10 : x
  2. Step 2: Convert to fraction form
    3,992,380.70/5,989,445.85 = 1,296,247.10/x
  3. Step 3: Cross multiply
    3,992,380.70x = 5,989,445.85 × 1,296,247.10
  4. Step 4: Simplify right side
    3,992,380.70x = 7,763,801,813,669.54
  5. Step 5: Solve for x
    x = 7,763,801,813,669.54/3,992,380.70
  6. Step 6: Final answer
    x = 1,944,654.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.